DP715 includes the bases station and handset; DP710 includes one handsetRing Group/Hunt Group (linear mode, shared line mode, parallel mode)
when multiple handsets share the same SIP accountRange of 300 meters outdoors and 50 meters indoorsDECT base station allows 5 registered DECT handsets and up to 4 concurrent calls10 hour talk time, 80 hour standby time

The Yeastar D30 DSP (digital signal processor) module can be inserted into a Yeastar S100 or S300 IP-PBX, letting the VoIP PBX support an additional 100 users and 30 concurrent calls. Expand the power of your VoIP phone system without the need of expensive hardware.

3G Module

The Yeastar UMTS 3G is a module for giving your Yeastar IP-PBX a single 3G or UMTS channel of cellular connectivity. The radio works on the 900/2100, 850/2100 and 850/1900 MHz bands and uses a SIMCon GSM engine. Insert a SIM card into this module just as you would a cell phone.

Yeastar O2 is a module for inserting into a compatible Yeastar IP-PBX, giving two of the PBX's RJ11 ports FXO connectivity. The FXO ports can be used for connecting a VoIP phone system to POTS (analog) telephone lines.

S2 Module

Install the Yeastar S2 module on compatible Yeastar MyPBX or S-Series modular phone systems. The module brings two FXS ports to the IP PBX. MyPBX is a line of modular phone systems that let you customize connectivity types. Combine several modules on one IP PBX, and truly interconnect your existing endpoints and services. This FXS module supports devices like analog phones and fax machines.

SO Module

Yeastar SO Module features one FXS port and one FXO port. Install the module on a compatible Yeastar S-Series or MyPBX phone system. The modular design of the phone systems allow you to customize connectivity types. Use this module to connect an analog phone and a PSTN line, for example.